The Collaborative International Dictionary of English v.0.48:

Shalloon \Shal*loon"\, n. [F. chalon, from Ch[^a]lons, in
   France, where it was first made.]
   A thin, loosely woven, twilled worsted stuff.
   [1913 Webster]

         In blue shalloon shall Hannibal be clad. --Swift.
   [1913 Webster]